Original members Adam Jones, Maynard James Keenan, Danny Carey, and Paul D'Amour met in Los Angeles and formed Tool in 1990. Their albums include Opiate (1992), Undertow (1993), and Aenima (1996). D'Amour was replaced by Justin Chancellor in 1995.

Adam Jones

guitaristBorn: 1/15/1965Birthplace: Libertyville, Illinois

Jones moved to Los Angeles after attending art school in the midwest; he learned stop-motion camera techniques and special effects, working on a number of movies including Jurassic Park (1993). He put this knowledge to good use when working on Tool's music videos, such as Sober (1993).

Maynard James Keenan

vocalistBorn: 4/17/1964Birthplace: Ravenna, Ohio

Danny Carey

drummerBorn: 5/10/1961Birthplace: Paola, Kansas

Paul D'Amour

bass playerBorn: 6/8/1968Birthplace: Spokane, Washington

Played bass for Tool from 1991 until 1995, when he left to form his own band, Lusk.